| Omurtag to Odessa (Texas) | 6,326.56 mi (10,181.61 km) |
| Omurtag to Ogden (Utah) | 6,060.97 mi (9,754.19 km) |
| Omurtag to Oildale (California) | 6,590.75 mi (10,606.80 km) |
| Omurtag to Ojus (Florida) | 5,775.09 mi (9,294.11 km) |
| Omurtag to Okemos (Michigan) | 5,125.34 mi (8,248.44 km) |
| Omurtag to Oklahoma City (Oklahoma) | 5,962.79 mi (9,596.18 km) |
| Omurtag to Okmulgee (Oklahoma) | 5,902.92 mi (9,499.83 km) |
| Omurtag to Olathe (Kansas) | 5,685.66 mi (9,150.18 km) |
| Omurtag to Old Jamestown (Missouri) | 5,530.26 mi (8,900.09 km) |
| Omurtag to Oldsmar (Florida) | 5,779.69 mi (9,301.51 km) |
| Omurtag to Olean (New York) | 4,932.90 mi (7,938.74 km) |
| Omurtag to Olive Branch (Mississippi) | 5,715.34 mi (9,197.95 km) |
| Omurtag to Olivehurst (California) | 6,415.64 mi (10,324.98 km) |
| Omurtag to Olney (Maryland) | 5,015.21 mi (8,071.20 km) |
| Omurtag to Olympia (Washington) | 5,932.52 mi (9,547.47 km) |
